
@media screen and (min-width: 320px) {
    html{font-size:31.2%;}
}
@media screen and (min-width: 360px) {
    html{font-size:37.5%;}
}

@media screen and (min-width: 400px) {
    html{font-size:43.8%;}
}

@media screen and (min-width: 440px) {
    html{font-size:50%;}
}

@media screen and (min-width: 480px) {
    html{font-size: 56.3%;}
}

@media screen and (min-width: 640px) {
    html{font-size: 62.5%;}
}